From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nayna Jain Subject: [PATCH v2 1/2] Documentation: tpm: add the IBM Virtual TPM device tree binding documentation Date: Wed, 28 Sep 2016 04:30:40 -0400 Message-ID: <1475051441-23008-1-git-send-email-nayna@linux.vnet.ibm.com> Return-path: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, tpmdd-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Cc: robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, peterhuewe-Mmb7MZpHnFY@public.gmane.org, tpmdd-yWjUBOtONefk1uMJSBkQmQ@public.gmane.org, jarkko.sakkinen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org, hellerda-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org, ltcgcw-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org, cclaudio-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org, honclo-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org, Nayna Jain List-Id: devicetree@vger.kernel.org Virtual TPM, which is being used on IBM POWER7+ and POWER8 systems running POWERVM, is currently supported by tpm device driver but lacks the documentation. This patch adds the missing documentation for the existing support. Suggested-by: Jason Gunthorpe Signed-off-by: Nayna Jain --- Changelog v2: - New Patch .../devicetree/bindings/security/tpm/ibmvtpm.txt | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/security/tpm/ibmvtpm.txt diff --git a/Documentation/devicetree/bindings/security/tpm/ibmvtpm.txt b/Documentation/devicetree/bindings/security/tpm/ibmvtpm.txt new file mode 100644 index 0000000..d89f999 --- /dev/null +++ b/Documentation/devicetree/bindings/security/tpm/ibmvtpm.txt @@ -0,0 +1,41 @@ +* Device Tree Bindings for IBM Virtual Trusted Platform Module(vtpm) + +Required properties: + +- compatible : property name that conveys the platform architecture + identifiers, as 'IBM,vtpm' +- device_type : specifies type of virtual device +- interrupts : property specifying the interrupt source number and + sense code associated with this virtual I/O Adapters +- ibm,my-drc-index : integer index for the connector between the device + and its parent - present only if Dynamic + Reconfiguration(DR) Connector is enabled +- ibm,#dma-address-cells: specifies the number of cells that are used to + encode the physical address field of dma-window + properties +- ibm,#dma-size-cells : specifies the number of cells that are used to + encode the size field of dma-window properties +- ibm,my-dma-window : specifies DMA window associated with this virtual + IOA +- ibm,loc-code : specifies the unique and persistent location code + associated with this virtual I/O Adapters +- linux,sml-base : 64-bit base address of the reserved memory allocated + for the firmware event log +- linux,sml-size : size of the memory allocated for the firmware event log + +Example (IBM Virtual Trusted Platform Module) +--------------------------------------------- + + vtpm@30000003 { + ibm,#dma-size-cells = <0x2>; + compatible = "IBM,vtpm"; + device_type = "IBM,vtpm"; + ibm,my-drc-index = <0x30000003>; + ibm,#dma-address-cells = <0x2>; + linux,sml-base = <0xc60e 0x0>; + interrupts = <0xa0003 0x0>; + ibm,my-dma-window = <0x10000003 0x0 0x0 0x0 0x10000000>; + ibm,loc-code = "U8286.41A.10082DV-V3-C3"; + reg = <0x30000003>; + linux,sml-size = <0xbce10200>; + }; -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html